As Database Administrator, You Have Just Added a Foreign Key

question 624

Multiple Choice

As database administrator, you have just added a foreign key to one of your tables. Why did do this?

• A) the data element refers to ethnicity
• B) to indicate that it is a primary key in another table
• C) to ensure that each row is unique
• D) to separate two tables

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Definitions:

High Productivity

The state of achieving maximum outputs from given inputs, often related to efficient and effective use of resources in a work environment or process.

Organization Chart

An organization chart is a diagram that displays the structure of an organization and the relationships and relative ranks of its parts and positions/jobs.

Major Subunits

The primary or most significant divisions, departments, or components within an organization.

Matrix Structure

An organizational layout that combines two or more types of structures, typically functional and product-based, to leverage benefits of both.